John Henry Zeller / Herbert Ottmar Hetzer

OCLC:459230178

John Henry Zeller / Herbert Ottmar Hetzer / W. Lambert

OCLC:459230176

H. O. Hetzer / United States. Department of Agriculture

OCLC:631363010

Swine

Herbert Ottmar Hetzer

OCLC:35176113

Swine

H. O. Hetzer

OCLC:1050832095

Swine

H. O. Hetzer / Orville Gerber Hankins / J. H. Zeller

LCCN:agr51000460

Inbreeding

August Ludwig Hormay / Floyd E. Moeller / James X. King / Jesse Raymond Thomas / John Leo Schwendiman / John Milton Webber / Orus L. Bennett / Donald S. Douglas / J. H. Zeller / Thomas James Army / Atlee Lawrence Hafenrichter / Edwin Lory Cox / Herbert Ottmar Hetzer

OCLC:10580306

Agriculture

Alvin Charles Egbert / Herbert Ottmar Hetzer / Lake S. Gill / Nicholas Tiho Mirov / Ralph Arthur Loomis / Ross Calvin Thompson / Walter Whittier Swett / William Harold Waldorf / Earl Orel Heady / Edward J. Ryder / Frank G. Hawksworth / Glen Thomas Barton / Robert E. McDowell / Charles Arthur Matthews

OCLC:15100178

Agricultural processing industries

August Ludwig Hormay / Claude Carl Wakeland / Erling Hole / Floyd E. Moeller / Frank D. Whisler / George A. Pearson / James X. King / Jesse Raymond Thomas / John Leo Schwendiman / John Milton Webber / Morris M. Lindsey / Orus L. Bennett / Warren Richards Bailey / Alvin Dearing Ayers / Donald S. Douglas / J. H. Zeller / James Vermeer / Ronald Owens Aines / Thomas James Army / Atlee Lawrence Hafenrichter / Edwin Lory Cox / Herbert Ottmar Hetzer

UIUC:30112003547913

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